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diff --git a/pgmenhance.html b/pgmenhance.html new file mode 100644 index 00000000..3d9eb98e --- /dev/null +++ b/pgmenhance.html @@ -0,0 +1,67 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML><HEAD><TITLE>Pgmenhance User Manual</TITLE> +</HEAD><BODY> +<H1>pgmenhance</H1> +Updated: 13 January 1989 +<BR> +<A HREF="#index">Table Of Contents</A> + +<A NAME="lbAB"> </A> +<H2>NAME</H2> + +pgmenhance - edge-enhance a PGM image + +<A NAME="lbAC"> </A> +<H2>SYNOPSIS</H2> + +<B>pgmenhance</B> + +[-<I>N</I>] + +[<I>pgmfile</I>] + +<A NAME="lbAD"> </A> +<H2>DESCRIPTION</H2> + +<p>This program is part of <a href="index.html">Netpbm</a>. + +<p><B>pgmenhance</b> reads a PGM image as input, enhances the edges, +and writes a PGM image as output. + +<P>The edge enhancing technique is taken from Philip R. Thompson's +"xim" program, which in turn took it from section 6 of +"Digital Halftones by Dot Diffusion", D. E. Knuth, ACM +Transaction on Graphics Vol. 6, No. 4, October 1987, which in turn got +it from two 1976 papers by J. F. Jarvis et. al. + +<A NAME="lbAE"> </A> +<H2>OPTIONS</H2> + +<P>The optional <b>-</b><I>N</I> option should be a digit from 1 to 9. +1 is the lowest level of enhancement; 9 is the highest. The default +is 9. + +<A NAME="lbAF"> </A> +<H2>SEE ALSO</H2> + +<A HREF="pgmedge.html">pgmedge</A>, +<A HREF="pgm.html">pgm</A> + +<A NAME="lbAG"> </A> +<H2>AUTHOR</H2> + +Copyright (C) 1989 by Jef Poskanzer. + +<HR> +<A NAME="index"> </A> +<H2>Table Of Contents</H2> +<UL> +<LI><A HREF="#lbAB">NAME</A> +<LI><A HREF="#lbAC">SYNOPSIS</A> +<LI><A HREF="#lbAD">DESCRIPTION</A> +<LI><A HREF="#lbAE">OPTIONS</A> +<LI><A HREF="#lbAF">SEE ALSO</A> +<LI><A HREF="#lbAG">AUTHOR</A> +</UL> +</BODY> +</HTML> |